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pickupchik [31]
3 years ago
9

True or False.

Chemistry
2 answers:
mrs_skeptik [129]3 years ago
4 0
True because it s all true
melisa1 [442]3 years ago
3 0
1. False. Transparent means see-through or clear

2. True. Translucent means to be mostly clear or colorless, but hard to see through (like all of the examples)
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What of the following is made out of atoms? (HINT: vocabulary word "atom" or "matter") * 1 Air
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How much volume would 0.450 mol CO2 gas occupy?
umka21 [38]

Answer:

10.08 L.

Explanation:

  • If we assume that CO₂ gas behaves ideally at STP (standard T(0.0 °C) and P(1.0 atm)):

<em>It is known that 1.0 mole of ideal gas occupies 22.4 L at STP conditions.</em>

<em></em>

<u><em>Using cross multiplication:</em></u>

1.0 mole of CO₂ gas occupies → 22.4 L.

0.45 mole of CO₂ gas occupies → ??? L.

<em>∴ The volume occupied by 0.45 mole of CO₂ gas </em>= (0.45 mol)(22.4 L)/(1.0 mol) = <em>10.08 L.</em>

5 0
3 years ago
The N2O4−NO2 reversible reaction is found to have the following equilibrium partial pressures at 100∘C. Calculate Kp for the rea
timofeeve [1]

Answer:

K_{p} for the reaction is 18.05

Explanation:

Equilibrium constant in terms of partial pressure (K_{p}) for this reaction can be written as-

                K_{p}=\frac{P_{NO_{2}}^{2}}{P_{N_{2}O_{4}}}

where P_{NO_{2}} and P_{N_{2}O_{4}} are equilibrium partial pressure of NO_{2} and N_{2}O_{4} respectively

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So, K_{p} for the reaction is 18.05

3 0
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Which of the following is a combustion reaction
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I didnt see the answers for answer your question
5 0
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Read 2 more answers
Lighting a match changes ch and energy into heat.​
otez555 [7]

Answer:

The answer remains the same. The total amount of energy stays the same because the 1st Law of Thermodynamics states that energy can neither be created nor destroyed, it can only change forms. So the chemical energy is just being converted into heat and light.

Explanation:

hope this helps...

7 0
2 years ago
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